diff --git a/public/react/src/common/TextUtil.js b/public/react/src/common/TextUtil.js
index 4a3145c19..d39ebb32a 100644
--- a/public/react/src/common/TextUtil.js
+++ b/public/react/src/common/TextUtil.js
@@ -1,5 +1,5 @@
 import { bytesToSize } from 'educoder';
-export function markdownToHTML(oldContent) {
+export function markdownToHTML(oldContent, selector) {
     window.$('#md_div').html('')
     // markdown to html
     var markdwonParser = window.editormd.markdownToHTML("md_div", {
@@ -12,6 +12,9 @@ export function markdownToHTML(oldContent) {
         sequenceDiagram: true // 默认不解析
     });
     const content = window.$('#md_div').html()
+    if (selector) {
+        window.$(selector).html(content)
+    }
     return content
 }
 
diff --git a/public/react/src/common/components/markdown/MarkdownToHtml.js b/public/react/src/common/components/markdown/MarkdownToHtml.js
index 86e94c62e..266f831ee 100644
--- a/public/react/src/common/components/markdown/MarkdownToHtml.js
+++ b/public/react/src/common/components/markdown/MarkdownToHtml.js
@@ -6,40 +6,23 @@ class MarkdownToHtml extends Component{
     this.state={
     }
   }
-  // componentDidUpdate = (prevProps) => {
-  //   if (this.props.content) {
-  //     if ( prevProps.content != this.props.content ) {
-  //       if (!this.shixunDescr) {
-  //           this.shixunDescr = window.editormd.markdownToHTML("memo_content_editorMd", {
-  //             markdown: this.props.content,
-  //             htmlDecode: "style,script,iframe",  // you can filter tags decode
-  //             taskList: true,
-  //             tex: true,  // 默认不解析
-  //             flowChart: true,  // 默认不解析
-  //             sequenceDiagram: true // 默认不解析
-  //         });
-  //       } else {
-  //         this.shixunDescr.html(this.props.content)
-  //       }
-  //     }
-  //   }
-  // }
-  // componentDidMount () {
-  //   if (!this.shixunDescr) {
-  //       this.shixunDescr = window.editormd.markdownToHTML("memo_content_editorMd", {
-  //         markdown: this.props.content,
-  //         htmlDecode: "style,script,iframe",  // you can filter tags decode
-  //         taskList: true,
-  //         tex: true,  // 默认不解析
-  //         flowChart: true,  // 默认不解析
-  //         sequenceDiagram: true // 默认不解析
-  //     });
-  //   }
-  // }
+  componentDidUpdate = (prevProps) => {
+    if (this.props.content) {
+      if ( prevProps.content != this.props.content ) {
+        markdownToHTML(this.props.content, `.markdown_to_html_${this.props.selector || ''}`)
+      }
+    }
+  }
+  componentDidMount () {
+    this.props.content && markdownToHTML(this.props.content, `.markdown_to_html_${this.props.selector || ''}`)
+    
+  }
   render(){
     
     return(
-      <div id="memo_content_editorMd" className="new_li markdown-body" dangerouslySetInnerHTML={{__html: markdownToHTML(this.props.content)}}>
+      <div id="memo_content_editorMd" className={`new_li markdown-body ${this.props.className} markdown_to_html_${this.props.selector || ''}`}
+        // dangerouslySetInnerHTML={{__html: markdownToHTML(this.props.content)}}
+      >
       </div>
     )
   }
diff --git a/public/react/src/modules/comment/Comment.css b/public/react/src/modules/comment/Comment.css
index 61e8b2f8b..f7b52366d 100644
--- a/public/react/src/modules/comment/Comment.css
+++ b/public/react/src/modules/comment/Comment.css
@@ -236,6 +236,7 @@
     /* line-height: 14px; */
     width: 100%;
     word-wrap: break-word;
+    margin-bottom: 4px;
 }
 .childComment .break_word_comments{
     line-height: 22px;
diff --git a/public/react/src/modules/comment/Comments.js b/public/react/src/modules/comment/Comments.js
index 50368d60a..42fea091c 100644
--- a/public/react/src/modules/comment/Comments.js
+++ b/public/react/src/modules/comment/Comments.js
@@ -168,7 +168,7 @@ class Comments extends Component {
 						}
 					</div>
 
-					<p className="fr mr10 orig_reply lineh-20">
+					<p className="fr  orig_reply lineh-20">
 							<span id="hidden_discuss_btn_952">
 							</span>
 
@@ -225,7 +225,7 @@ class Comments extends Component {
 
 					<div className="comment_content  clearfix" id={`reply_content_${item.id}`}>
 						<div className="color-grey-3" id={`reply_content_${item.id}`}>
-							<div className={"break_word_comments"} dangerouslySetInnerHTML={{__html: _content}}></div>
+							<div className={"break_word_comments markdown-body"} dangerouslySetInnerHTML={{__html: _content}}></div>
 							<div className="cl"></div>
 						</div>
 					</div>
@@ -326,7 +326,7 @@ class Comments extends Component {
 										{ item.hidden && ((this.props.onlySuperAdminCouldHide && !item.isSuperAdmin) 
 												|| !this.props.onlySuperAdminCouldHide && item.admin === false && (item.manager === false || item.manager == undefined))
 											? <p className="color-orange font-16">违规评论已被屏蔽！</p>
-											: <div  className={"break_word_comments"} dangerouslySetInnerHTML={{__html: _content}}></div>
+											: <div  className={"break_word_comments  markdown-body"} dangerouslySetInnerHTML={{__html: _content}}></div>
 										}
 										<div className="cl"></div>
 									</div>
diff --git a/public/react/src/modules/courses/boards/BoardsListItem.js b/public/react/src/modules/courses/boards/BoardsListItem.js
index 089d060a4..c25c541e8 100644
--- a/public/react/src/modules/courses/boards/BoardsListItem.js
+++ b/public/react/src/modules/courses/boards/BoardsListItem.js
@@ -1,6 +1,7 @@
 import React,{ Component } from "react";
 import {Tooltip} from 'antd'
 import moment from 'moment'
+import { getUrl } from 'educoder'
 class BoardsListItem extends Component{
   constructor(props){
     super(props);
@@ -37,11 +38,11 @@ class BoardsListItem extends Component{
             }
           `}</style>
           { checkBox }
-          <a href="/users/innov" alt="用户" style={{"width":"50px","height":"50px","display":"block", margin: "0 10px"}}>
+          <a href={`/users/${discussMessage.author.login}`} alt="用户" style={{"width":"50px","height":"50px","display":"block", margin: "0 10px"}}>
             {/* /images/avatars/User/1?1529221779 */}
             <img 
               alt="1?1529221779" className="panel-list-img mr15" height="50"
-              src={`/images/${discussMessage.author.image_url}`} width="50"
+              src={`${getUrl()}/images/${discussMessage.author.image_url}`} width="50"
             ></img>
           </a>
           <div className="clearfix ds pr pt5 contentSection" onClick={() => onItemClick(discussMessage)}>
@@ -62,7 +63,7 @@ class BoardsListItem extends Component{
             <div className="cl"></div>
             <p className="color-grey panel-lightgrey mt10 fl">
               <span className="mr50">
-                <a href="/users/innov" className="panel-name-small hide fl mr15 mr30 color-grey3">{discussMessage.author.name}</a>
+                <a href={`/users/${discussMessage.author.login}`} className="panel-name-small hide fl mr15 mr30 color-grey3">{discussMessage.author.name}</a>
 
                 { discussMessage.total_replies_count != 0 && <span className="mr15 color-grey9">{discussMessage.total_replies_count} 回复</span> }
                 { discussMessage.total_praises_count != 0 && <span className="mr15 color-grey9">{discussMessage.total_praises_count} 点赞</span> }
diff --git a/public/react/src/modules/courses/boards/TopicDetail.js b/public/react/src/modules/courses/boards/TopicDetail.js
index f0bc978ef..1ef880c9f 100644
--- a/public/react/src/modules/courses/boards/TopicDetail.js
+++ b/public/react/src/modules/courses/boards/TopicDetail.js
@@ -24,7 +24,7 @@ import '../../forums/RightSection.css'
 import './TopicDetail.css'
 import '../common/courseMessage.css'
 import { Pagination, Tooltip } from 'antd'
-import { bytesToSize, ConditionToolTip } from 'educoder'
+import { bytesToSize, ConditionToolTip, markdownToHTML, MarkdownToHtml } from 'educoder'
 import SendToCourseModal from '../coursesPublic/modal/SendToCourseModal'
 import CBreadcrumb from '../common/CBreadcrumb'
 import { generateComments, generateChildComments, _findById, handleContentBeforeCreateNew, addNewComment
@@ -87,15 +87,6 @@ class TopicDetail extends Component {
                   replies_count: response.data.data.total_replies_count
                 }, {...this.state.memo})
               }, () => {
-                setTimeout(()=>{
-                  var shixunDescr = window.editormd.markdownToHTML("memo_content_editorMd", {
-                      htmlDecode: "style,script,iframe",  // you can filter tags decode
-                      taskList: true,
-                      tex: true,  // 默认不解析
-                      flowChart: true,  // 默认不解析
-                      sequenceDiagram: true // 默认不解析
-                  });
-                }, 200)
               })
 
               // const { memo_replies, memo } = response.data;
@@ -181,13 +172,13 @@ class TopicDetail extends Component {
         // md渲染content，等xhr执行完（即memoLoading变化），memo.content更新后初始化md
         
           setTimeout(()=>{
-            var shixunDescr = window.editormd.markdownToHTML("memo_content_editorMd", {
-                htmlDecode: "style,script,iframe",  // you can filter tags decode
-                taskList: true,
-                tex: true,  // 默认不解析
-                flowChart: true,  // 默认不解析
-                sequenceDiagram: true // 默认不解析
-            });
+            // var shixunDescr = window.editormd.markdownToHTML("memo_content_editorMd", {
+            //     htmlDecode: "style,script,iframe",  // you can filter tags decode
+            //     taskList: true,
+            //     tex: true,  // 默认不解析
+            //     flowChart: true,  // 默认不解析
+            //     sequenceDiagram: true // 默认不解析
+            // });
           }, 200)
       }
       
@@ -629,13 +620,8 @@ class TopicDetail extends Component {
 
                     
                     <div className="padding40 memoContent new_li">
-                      <div id="memo_content_editorMd" className="new_li">
-                        <textarea style={{'display': 'none'}}>
-                          {memo.content}
-                        </textarea>
-                      </div>
+                      <MarkdownToHtml content={memo.content}></MarkdownToHtml>
                     </div>
-{/* style={{ paddingTop: '0px'}} */}
                     <div className="padding40 bor-bottom-greyE" >
                         <div className="mt10 mb20">
                           {/* ${memo.user_praise ? '' : ''}  */}
diff --git a/public/react/src/modules/courses/common/courseMessage.css b/public/react/src/modules/courses/common/courseMessage.css
index c928162f4..db2381d37 100644
--- a/public/react/src/modules/courses/common/courseMessage.css
+++ b/public/react/src/modules/courses/common/courseMessage.css
@@ -17,7 +17,7 @@
 }
 /* 子回复按钮 */
 .course-message .reply_to_message a.commentsbtn.task-btn-blue {
-  margin-right: 50px;
+  /* margin-right: 50px; */
 }
 /* 改边距 */
 /* .course-message .commentsDelegateParent {
diff --git a/public/react/src/modules/forums/MemoDetailMDEditor.js b/public/react/src/modules/forums/MemoDetailMDEditor.js
index caf8e5743..ebb61b1b7 100644
--- a/public/react/src/modules/forums/MemoDetailMDEditor.js
+++ b/public/react/src/modules/forums/MemoDetailMDEditor.js
@@ -169,7 +169,7 @@ class MemoDetailMDEditor extends Component {
 						} */}
 					</style>
 					<div nhname={`new_message_${memo.id}`} className="commentInput  commentInputs"
-							style={{ padding: '30px',boxSizing:"border-box", display: isInited ? '' : 'none' }} >
+							style={{ padding: '30px',boxSizing:"border-box", display: isInited ? '' : 'none', paddingBottom: '40px' }} >
 						<div id="memo_comment_editorMd" className="editorMD" style={{ marginBottom: '0px'
 								, border: errorMsg ? '1px solid red' : '1px solid #ddd'}}>
 								<textarea style={{'display': 'none'}}>
@@ -180,7 +180,7 @@ class MemoDetailMDEditor extends Component {
     							marginLeft: '4px'}}>{errorMsg}</span> }
 						<a id={`new_message_submit_btn_${memo.id}`} href="javascript:void(0)" 
 								onClick={this.onCommit} className="commentsbtn task-btn task-btn-blue fr">
-								发送
+								{this.props.buttonText || '发送'}
 						</a>
 					</div>
 				</React.Fragment>
diff --git a/public/react/src/modules/tpm/shixunchild/ShixunDiscuss/ShixunDiscuss.js b/public/react/src/modules/tpm/shixunchild/ShixunDiscuss/ShixunDiscuss.js
index 31594aa96..4e9470f89 100644
--- a/public/react/src/modules/tpm/shixunchild/ShixunDiscuss/ShixunDiscuss.js
+++ b/public/react/src/modules/tpm/shixunchild/ShixunDiscuss/ShixunDiscuss.js
@@ -88,7 +88,7 @@ class ShixunDiscuss extends Component {
                                                                   <a href={i.user.user_url} className="content-username hide fl">{i.user.name}</a>
                                                                   <span className="t_area fl">{i.time}</span>
                                                               </div>
-                                                              <p className="fr mr10 orig_reply lineh-20">
+                                                              <p className="fr  orig_reply lineh-20">
                                                                   <span id="hidden_discuss_btn_952"></span>
                                                                   <a className="color-grey-8">
                                                                       <i className="iconfont icon-jiangli fl mt2"></i>